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Lotensyl

Lotensyl is Lupin’s cilnidipine 10/20 mg tablets — fourth-generation dihydropyridine calcium-channel blocker uniquely blocking BOTH L-type (vasodilation) and N-type (sympathetic nerve terminal) calcium channels. Popular in India, Japan, and parts of East Asia. Advantages vs amlodipine: ~50% lower ankle-oedema rate in head-to-head trials, no reflex tachycardia, modestly better proteinuria reduction in CKD (CARTER trial). Does not yet have the large CV outcome-trial base of amlodipine.

Medically reviewed by Morgan Ellis — Pharmacy Researcher · 8 years experience  · Last reviewed: May 2026

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⚡ Quick Answer — What is Lotensyl?

Lotensyl is a 10 / 20 mg cilnidipine tablet from Lupin — a dihydropyridine calcium-channel blocker that uniquely blocks BOTH L-type and N-type calcium channels. L-type blockade produces arterial vasodilation (the standard CCB effect); N-type blockade at sympathetic nerve terminals reduces noradrenaline release, suppressing the reflex tachycardia that limits other dihydropyridines. Popular in India, Japan, and parts of East Asia as a “next-generation” DHP; less widely used in Europe/US where amlodipine and nifedipine dominate. Clinical advantages vs amlodipine: lower ankle oedema rates, no reflex tachycardia, modestly better renal protection in proteinuric CKD (CARTER-AKI, ACTION-HKD trials). Typical dose: 5-20 mg once daily. Contraindications: cardiogenic shock, acute MI with hypotension, severe hepatic impairment, pregnancy.

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What Is Lotensyl?

Lotensyl is 10 / 20 mg cilnidipine tablets from Lupin, supplied in 30-90 tablets. Cilnidipine was introduced in Japan in 1995 (FujiRebio as Atelec) and gained FDA-equivalent approval in many Asian markets. It is a fourth-generation dihydropyridine with a distinctive dual L/N-type calcium-channel blocking profile.

How Cilnidipine Works

Most DHP CCBs (amlodipine, nifedipine, felodipine, nicardipine) block L-type calcium channels on arterial smooth muscle, producing vasodilation and BP fall. Cilnidipine uniquely adds N-type channel blockade at sympathetic-nerve terminals:

  • L-type blockade (arterial smooth muscle) — standard vasodilation; afterload reduction; BP falls 10-15 mmHg
  • N-type blockade (pre-synaptic sympathetic terminals) — reduced noradrenaline release; suppresses the reflex tachycardia that normally follows arterial vasodilation
  • Lower ankle oedema rate — L-type blockade dilates pre-capillary arterioles; the N-type blockade’s effect on post-capillary tone is more balanced, producing less capillary hydrostatic pressure spike and less peripheral oedema than pure-L-type CCBs
  • Proteinuria reduction — reduced renal sympathetic tone dilates efferent as well as afferent arterioles, reducing glomerular hyperfiltration; trials in proteinuric CKD have shown greater proteinuria reduction vs amlodipine at equivalent BP
  • Long half-life — 6-8 hours (once-daily dosing at steady state)

Evidence for Cilnidipine

  • CARTER (2007) — cilnidipine vs amlodipine in proteinuric hypertensive CKD: cilnidipine produced greater proteinuria reduction at equivalent BP control; creatinine trajectory similar.
  • Direct head-to-head comparisons with amlodipine show comparable BP efficacy but approximately 50% lower ankle oedema rates on cilnidipine.
  • ACTION-HKD (2014) — extended renoprotection data in CKD patients.
  • Indian real-world data — widely used as amlodipine alternative where ankle oedema or reflex tachycardia limits amlodipine.

Cilnidipine is not included in Western guideline first-line recommendations for hypertension — partly because amlodipine has a much larger outcome-trial dataset (ASCOT, ACCOMPLISH, VALUE), partly because cilnidipine has not been marketed in the US or most of Europe.

Dosage

Hypertension: start 5-10 mg once daily; titrate to 10-20 mg once daily at 2-4 weeks.

Administration: with or without food; same time each day; swallow whole.

Monitoring: BP at 2 and 4 weeks; then every 3-6 months. LFTs at baseline and periodically (cilnidipine is hepatically cleared). Check for ankle oedema on review.

Side Effects

Common:

  • Headache, flushing
  • Dizziness
  • Ankle oedema (lower than amlodipine — roughly half the rate in head-to-head trials)
  • Constipation
  • Mild transaminase elevation
  • Palpitations (much less than short-acting DHPs)

Uncommon:

  • Severe hypotension
  • Gingival hyperplasia (rare DHP class effect)
  • Photosensitivity
  • Rash

Contraindications

  • Cardiogenic shock
  • Acute myocardial infarction with hypotension
  • Severe aortic stenosis
  • Severe hepatic impairment (Child-Pugh C)
  • Known hypersensitivity to dihydropyridines
  • Pregnancy (limited data; amlodipine or nifedipine are preferred DHPs if a CCB is required in pregnancy)

Drug Interactions

  • Strong CYP3A4 inhibitors (clarithromycin, itraconazole, ritonavir) — raise cilnidipine levels; increased hypotension risk.
  • Grapefruit juice — minor to moderate interaction; regular daily consumption is discouraged.
  • Other antihypertensives — additive BP lowering; intentional in combination therapy.
  • CYP3A4 inducers (rifampicin, phenytoin, St John’s Wort) — may reduce cilnidipine effect.
  • Digoxin — modest digoxin level rise; monitor.
  • Alcohol — additive orthostatic hypotension.

Storage

Store Lotensyl below 25°C. Keep out of reach of children.

Frequently Asked Questions

How is cilnidipine different from amlodipine?

Cilnidipine blocks both L-type (same as amlodipine) AND N-type calcium channels. N-type blockade at sympathetic nerve terminals reduces noradrenaline release, giving cilnidipine two practical advantages: (1) lower ankle-oedema rates (roughly half of amlodipine’s in head-to-head trials); (2) no reflex tachycardia. Amlodipine, however, has vastly more cardiovascular outcome evidence (ASCOT, ACCOMPLISH, VALUE) and is the preferred DHP where outcome data are paramount.

When is Lotensyl a better choice than amlodipine?

Two common clinical situations: (1) troublesome ankle oedema on amlodipine that has not responded to adding an ACEi/ARB; (2) proteinuric CKD where the N-type mechanism may give additional renoprotection (CARTER trial).

Will Lotensyl cause ankle swelling?

Less than amlodipine, but not never. Roughly half the rate in head-to-head trials. Adding an ACE inhibitor or ARB reduces residual oedema further by venous dilation that rebalances the capillary pressure.

Can I take Lotensyl in pregnancy?

Avoid — pregnancy data are limited. If a CCB is required in pregnancy, nifedipine is the preferred DHP (largest safety database).

Where can I buy Lotensyl online?

You can buy Lotensyl (cilnidipine 10 / 20 mg, 30-90 tablets) from MedsBase with discreet packaging and worldwide shipping.

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⚕ Medical Disclaimer. This page is for informational purposes only and does not replace medical advice from a qualified healthcare professional. Hypertension, heart failure, and arrhythmias require diagnosis, monitoring, and dose individualisation by a doctor — always use beta-blockers under medical guidance.

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